
ໃຫ້ສັງເກດວ່າການວັດແທກ PM 2.5 (ຝຸ່ນລະອອງລະອຽດ) ແມ່ນເອົາມາຈາກສະຖານີ: USA:Pennsylvania/Allegheny/Liberty and the measurements for PM10 (respirable particulate matter), O3 (ozone) and CO (carbon monoxide) are taken from the station: Glassport High Street, Allegheny, Pennsylvania







